What is the 2% stop-loss rule?

Excuse me, could you please elaborate on the 2% stop-loss rule? I'm interested in understanding how it works in the world of cryptocurrency trading and finance. Specifically, how does one implement this rule, and what are the benefits and potential drawbacks of adhering to it? Additionally, how does it differ from other risk management strategies, and why might some traders prefer it over alternatives? I'm eager to learn more about this rule and how it can help me manage my investments more effectively.